Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
East Bradford Township, Chester Co., Pennsylvania, USA

mindat Locality ID: 195667
mindat URL: http://www.mindat.org/loc-195667.html

Tectonic Settings:

Total number of sublocalities beneath "East Bradford Township, Chester Co., Pennsylvania, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Caleb Cope's Lime Quarry
Copesville
Strode's Mill
West Valley Nature Area

Latitude: 39°57'30"N
Longitude: 75°39'30"W
Decimal Degree (lat, lon): 39.958333333333,-75.658333333333

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Clay	Feldspar	Mica	None	Not in a structural group	Scapolite	Talc

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al C Ca Cl H K Mg Na O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Feldspar Mica None Not in a structural group Scapolite Talc

6 IMA Minerals at location:

Albite ()*	Dolomite ()*	Kyanite ()*	Marialite ()*	Muscovite ()*
Talc ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	262669	8803
Dolomite ()*	None	CaMg(CO₃)₂	1	262668	9895
Kyanite ()*	Not in a structural group	Al₂OSiO₄	2	262668,262669	1507
Marialite ()*	Scapolite	Na₄Al₃Si₉O₂₄Cl	1	262669	139
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	262669	17380
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	262668	3337

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...